Plat of the part of the
Rancho San Antonio finally confirmed to Antonio Maria Peralta : [Alameda County, Calif.] / surveyed under instructions from the
U.S. Surveyor General by J.T. Stratton, Depy. Survr., March 1858
1858 Land Case Map B-230:Left

Plat of the northern part of the
Rancho San Antonio [Alameda County, Calif.] : finally confirmed to Vicente and Domingo Peralta / surveyed under instructions from
the U.S. Surveyor General by James T. Stratton, Dep. Surr., February 1858 & December 1859
1859 Land Case Map B-230:Right